please send me the inteview questions in IOCL

0 Answers   IOCL,

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what is PM/CM/RCM?

2 Answers   Emco,

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How would i calibrate a new commissioned flow transmitter???

3 Answers  

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if field commnictor 475 does not communicate with transmitter what will you do ?

4 Answers   Samsung,

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how u calculate ai/di/ao/do capacity in ur dcs?

1 Answers  

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what is absolute pressure and where use in process?

3 Answers  

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what is thermocouple output

7 Answers   IPCL,

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I am a instrument technician. recently i attend interview and face one of question for DP transmitter ,the client asking about the calibration of DP transmitter ,am answer the calibration procedure, they will ask one more question. why open LP side in atmosphere? i did not answer that question. so please help me and explain the particular question. Dear firends waiting for your valuable replay

3 Answers   Qatar Petroleums, Samsung,

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what are the types of a thermocouple

2 Answers  

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Basic working principle of control valves

1 Answers  

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Pls.could any one Clarify the following with an example. 1.At What condition Close on Rise and Close on Fall Pressure Switch contacts are used. 2.If Pressure is abnormal as per set pressure,if connecting Terminal of pressure switch breaks,how the voltage extends to Relay base. 3.Are these contacts come under fail safe philasaphy.

1 Answers  

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why we r opening HOT BYPASS valve during startup of a compressor?

0 Answers   Hamsco,

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